Nuxt/docs/3.api/1.components/1.dev-only.md

title	description	links
<DevOnly>	Render components only during development with the <DevOnly> component.	label icon to size Source i-simple-icons-github https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/components/dev-only.ts xs

Nuxt provides the <DevOnly> component to render a component only during development.

The content will not be included in production builds.

<template>
  <div>
    <Sidebar />
    <DevOnly>
      <!-- this component will only be rendered during development -->
      <LazyDebugBar />

      <!-- if you ever require to have a replacement during production -->
      <!-- be sure to test these using `nuxt preview` -->
      <template #fallback>
        <div><!-- empty div for flex.justify-between --></div>
      </template>
    </DevOnly>
  </div>
</template>

Slots

• #fallback: if you ever require to have a replacement during production.

<template>
  <div>
    <Sidebar />
    <DevOnly>
      <!-- this component will only be rendered during development -->
      <LazyDebugBar />
      <!-- be sure to test these using `nuxt preview` -->
      <template #fallback>
        <div><!-- empty div for flex.justify-between --></div>
      </template>
    </DevOnly>
  </div>
</template>